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68443844834486 = 2115995193796087
BaseRepresentation
bin11111000111111110100110…
…00011101111010010110110
322222100011112020010122201002
433203333103003233102312
532432340443234200421
6401322400201403302
720262622165000532
oct1743772303572266
9288304466118632
1068443844834486
111a898965099840
127814a61199532
132c262c4597814
1412c89b2228bc2
157da5ac71db0b
hex3e3fd30ef4b6

68443844834486 has 16 divisors (see below), whose sum is σ = 112185995500800. Its totient is φ = 31058900594280.

The previous prime is 68443844834479. The next prime is 68443844834527.

68443844834486 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596884866 + ... + 2596911221.

It is an arithmetic number, because the mean of its divisors is an integer number (7011624718800).

Almost surely, 268443844834486 is an apocalyptic number.

68443844834486 is a deficient number, since it is larger than the sum of its proper divisors (43742150666314).

68443844834486 is a wasteful number, since it uses less digits than its factorization.

68443844834486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193796699.

The product of its digits is 5435817984, while the sum is 74.

The spelling of 68443844834486 in words is "sixty-eight trillion, four hundred forty-three billion, eight hundred forty-four million, eight hundred thirty-four thousand, four hundred eighty-six".

Divisors: 1 2 11 22 599 1198 6589 13178 5193796087 10387592174 57131756957 114263513914 3111083856113 6222167712226 34221922417243 68443844834486